Komatsu’s HM460-6, an all-new addition to the company’s ADT lineup, is designed around a new high-output powertrain, an advanced traction control system, and a new operator environment — and it’s ready for demanding applications across challenging, versatile terrain.
The new ADT has a rated payload capacity of 46.3 tons, compared to the 44.2-ton capacity of Komatsu’s HM400-5, allowing operators to haul a greater volume of material with each cycle.
The HM460-6 features an innovative traction system and a new Komatsu DBA127 engine.
Komatsu Ltd.
A new Komatsu engine
The new Komatsu DBA127 engine is equipped with a two-stage turbocharger system and delivers 518 gross horsepower at 1,700 rpm. It is paired with a new nine-speed Komatsu transmission and intelligent gear control. Komatsu says that this ADT’s increased torque at lower engine speeds supports strong acceleration, improved hill-climb capability, and efficient power delivery under load. It has no EGR system, uses less fuel, and has extended service intervals.
The engine delivers 518 gross horsepower at 1,700 rpm to deliver increased torque at lower engine speeds.
Komatsu Ltd.
Built for traction in a variety of conditions
The traction performance of the HM460-6 will keep operators comfortable and confident across soft surfaces and on grades while reducing spillage and tire wear. The Komatsu Traction Control System, paired with cross-axle differential locks, helps maintain traction on soft, uneven, or muddy ground, and the hydro-pneumatic suspension system delivers comfort and stability. It continuously monitors wheel speed and slip and will automatically apply braking force to individual wheels when traction is lost.
The HM460-6 features a hydro-pneumatic suspension system designed for improved balance and stability.
Komatsu Ltd.
A redesigned cab with expansive glass
Komatsu’s new four-pillar cab has 16 percent more glass area and a 43 percent reduction in blind spots compared to the HM400-5. The control layout has been redesigned to group high-use functions within easy reach, and a high-resolution 8-inch machine monitor paired with a 10-inch sub-monitor provides access to payload data, machine information, and rear-view camera.
Operator assist features inspire confidence in control and machine status
Cruise control and automatic retard speed control help maintain consistent downhill speeds. Hill start assist prevents rollback on steep grades. The new ADT also features a rollover prevention system that monitors vehicle speed and rear frame angle, providing alerts and limiting machine functions when tipping becomes a risk. Operators can review the status of their brakes by using the new brake inspection guidance.
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